Bullying; Invisible Mountain;; Discrimination series -P.68

Therefore, after the defeat of Nouso, a large number of people branded Nouso as evil.
If one accuses Nouso based on the mixture of fact and fiction,
the illusion of the Rounds is naturally reinforced and the Round automatically regard the one as their friend.
This trick was used by the other Triangles who had fought against the Rounds with Nouso.